How did the action track of the case be found out?

Many people are complaining that the query of communication big data travel card failed. In recent days, many residents' offices need to open a travel card to enter, but after entering the mobile phone number, everyone can't wait for the verification code, and the interface will also show sorry that there is no travel data for you. What's going on here? So what is the reason for the query failure of communication big data travel card? Next, let's get to know it with Bian Xiao!

What is the reason for the query failure of communication big data travel card?

1. Communication big data travel card service uses base station data. In order to ensure the continuity of communication and achieve no blind area coverage, the signals of base stations in the two places at the junction of administrative divisions may overlap, resulting in deviation of results.

In addition, staying in a city for less than 4 hours will not be recorded.

3. Overseas travel records require you to open international roaming service when you go abroad, and the deviation is particularly serious. You should contact customer service in time.

Note: there may be data deviation when using the travel card. When using it in other places, you must pay attention to the use risks.

Because the network data has a certain delay, it will be updated automatically in the future.

How did the action track of the case be found out?

1, take public transportation. There are records of buying plane tickets and train tickets. If there are confirmed cases in the same car or flight, you may be judged as a close contact, and the relevant departments will investigate your situation and trajectory to avoid the spread of the epidemic.

2. There are confirmed cases in office buildings, residential quarters, tour groups and hotels. These are all recorded, and a staff member will contact you.

3, big data travel card, I don't know how accurate this can be, it's hard to say.

How to check the individual's action track during the epidemic?

1, health code, now at this time node, as long as you go out to take transportation, you have to scan the code to fill in personal information, travel records and so on! This is easy to find!

2, ID card, as long as it is in the field, ID card inspection is essential!

3. China's Eye of the Sky can be tracked all over the country!

4. There are also inquiry codes issued by China Mobile, China Unicom and telecom companies. You can check the domestic footnotes in 14 days nearby!

Up to now, the epidemic situation in our country has been particularly rich in both doctors' experience and technology, including medical resources, so don't worry! Never hide it! Harm others and yourself!